999 resultados para Wolf, F. A. (Friedrich August), 1759-1824.
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Weekly newsletter for Center For Acute Disease Epidemiology of Iowa Department of Public Health.
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Weekly newsletter for Center For Acute Disease Epidemiology of Iowa Department of Public Health.
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Weekly newsletter for Center For Acute Disease Epidemiology of Iowa Department of Public Health.
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A monthly newsletter for Iowa Commission on the Status of Women
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Monthly newsletter for the Iowa Department of Public Health
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Newsletter for the Iowa Commission on the Status of Women
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Monthly newsletter of the State Library
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Beetles of the species Chauliognathus fallax Germar 1824 are polymorphic for elytron colouration with six morphs distinguished on the basis of black pigmentation on a yellow background. We investigated samples of C. fallax taken in eight consecutive weeks aiming to determine the frequency of the morphs which were grouped, for statistical analysis, into three classes according to elytra pigmentation as well as the possible occurrence of assortative mating. Our results showed a variation in the frequency of the classes throughout the season, both in males and females, with the maximum frequency of each class at the fourth and fifth week. The three classes (A, B, C) showed the same pattern of variation, and class B was always the more frequent. To test randomness of matings two approaches were taken: in the first, we compared the frequency of each class in copulating and non-copulating insects. In the second, the frequency of each class in the whole sample was taken as the probability of occurrence of the respective class; then, using the criterion of the probability of independent events we calculated the expected proportion of copulating insects for each pair of events. Both methods gave non-significant differences, suggesting that the matings were random.
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Record of the Fatalities for Motor Vehicle Accidents in Iowa per week.
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A new species of Strebla Wiedemann, S. carvalhoi sp. nov., collected, on Anoura caudifer (E. Geoffroy, 1818) from Southern of Brazil, is described. Drawings of the postvertex, occipital plates, gonopods and tergite VII are provided.
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Record of the Fatalities for Motor Vehicle Accidents in Iowa per week.
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Record of the Fatalities for Motor Vehicle Accidents in Iowa per week.
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Weekly newsletter for Center For Acute Disease Epidemiology of Iowa Department of Public Health.
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A-1 - Monthly Public Assistance Statistical Report Family Investment Program - August 2007